MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b7de09d48ff82ea1e92a3bdc478d34d48d749075abc2dd2470c99e320280171. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Gafgyt


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 3b7de09d48ff82ea1e92a3bdc478d34d48d749075abc2dd2470c99e320280171
SHA3-384 hash: 6b38efa8eade58a8e7491dea731a295fed697410bdd4baf56fe2d02ad426a4bee83f088751f26e1e85b7b5f5ca161690
SHA1 hash: 67d47335ef590c436b5086eff18aa67258f1df8e
MD5 hash: dcdfe4a5fca622e00c206245895f14c0
humanhash: two-pizza-six-floor
File name:arm5
Download: download sample
Signature Gafgyt
File size:107'588 bytes
First seen:2025-04-06 06:52:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:oqE7CGICtpZ19kOcIk3UvNIpWG3nQEYulEQhfhNsdu:oqE7CGICtphRq3iIgEY0EQph1
TLSH T17EB3F899B8919F66C5D506BFFE1F828D33231BB8E3DA7103DD146B24378A91A0E6F441
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Runs as daemon
Connection attempt
Receives data from a server
DNS request
Opens a port
Sends data to a server
Mounts file systems
Kills processes
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
expand lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
131
Number of processes launched:
10
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 74.125.250.129:19302
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1657681 Sample: arm5.elf Startdate: 06/04/2025 Architecture: LINUX Score: 52 12 daisy.ubuntu.com 2->12 14 Multi AV Scanner detection for submitted file 2->14 7 arm5.elf 2->7         started        signatures3 process4 signatures5 16 Sample reads /proc/mounts (often used for finding a writable filesystem) 7->16 10 arm5.elf 7->10         started        process6
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-04-06 06:53:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Renames itself
Unexpected DNS network traffic destination
Contacts a large (24743) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Gafgyt

elf 3b7de09d48ff82ea1e92a3bdc478d34d48d749075abc2dd2470c99e320280171

(this sample)

  
Delivery method
Distributed via web download

Comments